Re: why not html?

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Re: why not html?
by Richard Dale on Wednesday 16/May/2007, @05:50

"taking your suggestion for RDF (or a derivative), we'd lose this data portability. and for what benefit?"

No, quite the opposite. RDF allows you to combine semantic data (such as test scores from using edu apps), with other semantic data that can be found on the web. This would allow you to combine the kde edu app test scores with other data, such as school sports results perhaps, as long as both were RDF and used common vocabularies such as Dublin Core and FOAF.

I agree it isn't always obvious when data should be held as an ODF document and when it is better stored in, say in an RDF format. And you might describe ODF docs with RDF meta-data to combine both.

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Re: why not html?
by Aaron Seigo on Wednesday 16/May/2007, @12:36

yes, you can associate RDF metadata with a document. on the other hand, i don't see RDF being able to cover all the data needs of applications. in the case of test scores, afaik RDF doensn't give access to "sum this column, divide by the count" like a spreadsheet does.

so given that RDF doesn't cover all the needs of applications, it can never become the "native" file format for many applications. ODF can be. and that means, quite obviously, that ODF grants greater data portability.

as you note, it comes down to both apps using the same formats and vocabularies. well, that's what ODF is: an agreed upon format that has broader reach. you're talking about theoretically having apps store things in RDF, the koffice people are talking about a practical way of having many apps store things in a common (set of) format(s): ODF.

that doesn't mean RDF is bad, it means that ODF is simply a more general purpose solution and therefore a better selection for primary data storage.

nepomuk/strigi bring RDF to the desktop, but i don't think that is an appropriate primary storage system. awesome possibilities for augmenting the primary storage, yes =)

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